如何在php中追溯链接包含多个头文件

问题描述：

This is what I'm trying to figure out.

In other words if I write the following at the very beginning of index.php:

<?php include("header.php"); ?>

That works. ...but, if I go one step further and ALSO write the following at the beginning of header.php:

<?php include("html_header.php"); ?>

What happens then is the application only renders up to header.php. Why does it not render html_header.php?

Hope this is clear enough for future references. I would also like to know if there is anyway of achieving this type of chaining especially when relating to the headers. Thank you.

这就是我想弄清楚的。 p>

> p>

换句话说，如果我在index.php的最开头写下以下内容：

 ＆lt;？php include（“header.php”）;  ？＆gt; 
  code>  pre> 
 
 这有效。  ...但是，如果我更进一步，并在header.php的开头写下以下内容： p> 
 
 
 ＆lt;？php include（“html_header.php”）  ;  ？＆gt; 
  code>  pre> 
 
 然后，应用程序只会渲染到header.php。 为什么它不呈现html_header.php？ p> 
 
 
希望这对于将来的引用是足够清楚的。 我还想知道是否有任何实现这种类型的链接，尤其是在与标题相关时。 谢谢。 p> 
  div>

答

Wow! I feel like such an idiot. First of all, I was missing a quotation mark(?). In header.php I had <php require("html_header.php") ?> which is why it wasn't working but even if that hadn't worked, all I really needed to do was place both the include of header.php and the require of html_header.php together in index.php instead of separate on each file. Why I tried to do it the other way, I have no idea, but this was a real brain fart. Thanks anyways @David Kuna.

如何在php中追溯链接包含多个头文件

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